Antichattering device



, 1,619,444' March 1927' D. e. TAYLOR ANTICHATTERING DEVICE Filed July8. 1926 gwuento'o /5 D. G TayZ0 such as Patented Mar. 1, 1927. I

PATENT OFFICE. I

DOC GILFORD TAYLOR; OF BAYTO'Wfi, TEXAS.

ANTICHATTEBING DEVICE.

Application filed m a,

This invention relates to an anti-chattering device foruse with pressuregauges and the like, and more particularly to a device of this characterwhich may be readily inserted in the pressure line without resorting toany changes in the construction thereof.

a A further and more specific object of the invention is to provide amember for insertion in the pressure line leading to a pressure gauge orregulator from a source of pressure having means for reducing theeffective size of the bore of the line, so that sudden slight variationsof pressure are relatively slowly transmitted to the gauge orvregulator, whereby vibration or chattering of the hinge is prevented.

A still further object of the invention is to provide a device of thischaracter wherein a relatively long reduced passage is provided for thepurpose above described while employing a relatively short body for theanti-chattering device;

These and other objects I attain by the construction shown in theaccompanying drawings, wherein for the purpose of illustration is showna preferred embodiment of my invention and wherein Figure 1 is a sideelevation showing a pressure gauge, the pressure line of which includesan anti-chattering device constructed in accordance with my invention;

Figure 2 is an enlarged'vertical sectional view through theanti-chattering device;

Figure 3 is a section on the line 33 of Figure 2.

Referring now more particularly to the drawings, the numeral 10generally designates the ressure gauge or regulator and 11 a conduiteading to the gauge from a source of pressure. In accordance with myinven- ,tion, I insert in this conduit 11 a tubular body 12 tlae ends ofwhich are exteriorly threade as'at' 13, for the reception of re- 'ducercaps 14 which in turn are provided with a reduced threaded bore 15 forthe reception of the conduit. The caps provide a sealing connectionbetween the tubular body and the adjacent ends of the sections of theconduit 11;

Disposed within the bore 16 of the tubular body is a rod or tpllunger 17of slightly great.- er length than c tubular body, so that its endsprojecttherebeyond. Suitable means, pins; 18, are provided for holding1926. Serial No. 121,247.

the rod in position with its ends projected beyond the ends of thetubular body. The periphery of this rod is formed with a spirallyextendin groove 19 extending from end to end of t e rod. Through thisgroove pressure transmitted to the gauge must pass and accordingly sincethe groove reduces the efl'ective size of the bore of the gauge conduit,the speed at which the gauge will respond to sudden variations ofpressure is reduced. The groove may be constructed in accordance withthe articular'needs of the gauge with which it is to be employed.

tively rapidly, the spiral may be more closely formed and the groovereduced in size. In order to. further increase the resistance to suddenimpulses, the groove is preferably formed in sections, a jacent ends ofthe sections being cireumferentially oflset axnd connected bycircumferentially extending grooves 20. The sudden change in directionthus provided efiectually checksany tendency to sudden motion.

It will be obvious that a device of this character may be readilyinserted in the gauge or regulator line without any manner altering theline other than by removing therefrom a section of a len h equal to thelength of the device. In a dition to being readi y installed, the devicemay be readily cleaned as the rod or plunger may be removed at an timeand any obstructing accumulation c eaned from the groove.

Since the construction hereinbefore set forth is capable of a certainrange of change and modification without materially departing from the sirit of the invention, I do not-limit myse f to such specific structureexcept as hereinafter claimed.

I claim In an anti-chattering device and in combination with a pressureresponsive element, a. line leading from a source of pressure thereto, amember adapted for insertion in said line increasing the efiectivelength of the line a distance greater than its own length and reducingthe bore of the line tubular body whereby it is held with its endscomprising a tubular body adapted at its extended beyond opposite endsof the tubuends for connection with the pressure line ler body, saidgroove being extended to such 10 and a rod fitting the body and havinga. ends. I

5 spiral groovein the periphery thereof, said In testimony whereof Ihereunto aflix my rodbeing of greater length than the tubular signature.body and having means coacting with the DOC GILFORD TAYLOR.

